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3 years ago

F(x) = x squared - 3x -7 Find f(-3)

Mathematics

1 answer:

Vladimir [108]3 years ago

4 0

Answer:

Step-by-step explanation:

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Please ignore the random characters above

Glad to help you =)

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How do you solve each system of equations?

stiv31 [10]

Answer:

$x=1,y=3,z=1$

Step-by-step explanation:

$4x-4y+4z=-4$

$4x=-4+4y-4z$

$x=-1+y-z$

Substitute $x=-1+y-z$ into second equation:

$4\left(-1+y-z\right)+y-2z=5$

$-4+4y-4z+y-2z=5$

$5y-6z-4=5$

$y=\frac{6z+9}{5}$

Substitute $x=-1+y-z$ and $y=\frac{6z+9}{5}$ into the third equation:

$\frac{-41z-54}{5}+3=-16$

$-41z-54=-95$

$z=1$

Substitute $z=1$ into $y=\frac{6z+9}{5}$ :

$y=3$

Plug in y and z values into $x=-1+y-z$ :

$x=1$

4 0

4 years ago

I need yalls help. I'll brainlist u n give 5 star let's see who'll get it right.

Vikki [24]

Answer:

A) is 29.76 B) IS $54

Step-by-step explanation:

you have to times 24 x 24% = 5.76 then you add 24 + 5.76 =29.76

7 0

3 years ago

2 ones equal how many tenths

Aleksandr-060686 [28]

2 ones are equal to 0 tens

5 0

3 years ago

Read 2 more answers

Given: ΔABC; b= 10; c = 14, and ∠A = 54°. Find the length of side a to the nearest whole number.

algol13

We can solve for the length of side a to the nearest whole number using the Laws of Cosines such as the formula is shown below:
a²=b²+c²-2bcCosA
Solving for the value of a, we have:
a²=10²+14²-2(10)(14)cos54°
a²=131.42
a=11.46
The answer is 11.46 or 11.5.

8 0

3 years ago

100 points help with recursive function!

Allushta [10]

Answer:

a. 20.25

Step-by-step explanation:

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2 years ago